EMI_JEE-Main 2020_S2 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN 2020

02-09-2020 S2

Question

A wire carrying current I is bent in the shape ABCDEFA as shown, where rectangle ABCDA and ADEFA are perpendicular to each other. If the sides of the rectangles are of lengths a and b, then the magnitude and direction of magnetic moment of the loop ABCDEFA is

Select the correct option:

abl, along $\left(\frac{\hat{\mathrm{j}}}{\sqrt{5}}+\frac{2 \hat{k}}{\sqrt{5}}\right)$

$\sqrt{2} \mathrm{abl}$, along $\left(\frac{\hat{\mathrm{j}}}{\sqrt{2}}+\frac{\hat{\mathrm{k}}}{\sqrt{2}}\right)$

abl, along $\left(\frac{\hat{\mathrm{j}}}{\sqrt{2}}+\frac{\hat{\mathrm{k}}}{\sqrt{2}}\right)$

$\sqrt{2}$ abl, along $\left(\frac{\hat{j}}{\sqrt{5}}+\frac{2 \hat{k}}{\sqrt{5}}\right)$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Medium

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